Principles of Instrumental Analysis
7th Edition
ISBN: 9781305577213
Author: Douglas A. Skoog, F. James Holler, Stanley R. Crouch
Publisher: Cengage Learning
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Question
Chapter 30, Problem 30.10QAP
Interpretation Introduction
Interpretation:
The factor that determined the elution order in sedimentation FFF needs to be determined.
Concept introduction:
Sedimentation FFF is a technique for separating particles from the sample placed in the centrifuge wherein
To remove the smallest particles, a carrier liquid is passed through.
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The following data were collected for the reaction
2A + 2B + C
3G+ 4 F
Experiment
2
3
4
5
[A]
Units of Molarity
.00125
.00250
.00125
.00125
.00301
[B]
Units of Molarity
00125
.00125
00302
00302
.00100
[C]
Units of Molarity
00125
.00125
.00125
00375
.00115
Rate
Units M/s
00870
.0174
.0508
.457
a. What is the order with respect to each reactant and what is the overall order for the reaction? Answer this question within the answer box and show your work
clearly labeled on the scratch paper.
b. Write the rate law for the reaction. Answer this question within the answer box and show your work clearly labeled on the scratch paper.
c. What is the value and units for k? Answer this question within the answer box and show your work clearly labeled on the scratch paper.
d. Predict the rate for experiment 5, you should give a value and units. Answer this question in the answer box and show your work on the scratch paper labeled
clearly.
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